Caterpillar original Diesel Common Rail Fuel Injector 359-5469 20R-3477 Suitable for Caterpillar 3512C 3516C Engine 162 8813 0R 9944 Injector original new injector
Caterpillar original Diesel Common Rail Fuel Injector 359-5469 20R-3477 Suitable for Caterpillar 3512C 3516C Engine 162 8813 0R 9944 Injector original new injector
Condition | Brand New |
Application Type | Industrial / Commercial |
Vehicle / Equipment Application | Industrial Diesel Engines, Mining Equipment Database, Power Generation Equipment Database, Marine Equipment Database, Oil & Gas Equipment Database, Mining Haul Trucks, Large Wheel Loaders, Hydraulic Mining Shovels |
Quality Standard | OEM Equivalent |
Cross Number / Universal Number | 20R-3477, 20R3477, 10R-2106, 10R2106, 10R-2116, 10R2116 |
Product Type | Diesel Fuel Injection System |
Warranty | 12 Months |
Material | Hardened Alloy Steel |
Fuel Type | Diesel |
Applicable Engine | CAT 3500 Series, Compatible Engine Text Version, CAT 3512B, CAT 3512B HD, CAT 3512B Marine, CAT 3512B Generator |
OE Number | 20R-3477 |
Brand | Caterpillar |
Engineered to meet or exceed original equipment specifications, the Caterpillar 20R-3477 fuel injector provides dependable operation. Manufactured using premium alloy steel materials and advanced precision machining processes, this injector is designed to withstand extreme operating temperatures, high fuel pressures, vibration loads, and continuous-duty industrial environments. Its robust construction ensures long service life and consistent performance under demanding operating conditions. This injector offers OEM-quality performance and reliability at an aftermarket price point, making it an ideal choice for your maintenance needs. Whether you're performing routine maintenance or a complete engine overhaul, this fuel injector provides the quality and performance you need to keep your equipment running smoothly and efficiently. It is built with durable materials and precision engineering to ensure that it can withstand the challenges of heavy-duty use while providing optimal fuel delivery and combustion efficiency, ensuring that your engine operates at peak performance while minimizing fuel consumption and emissions. The Caterpillar 20R-3477 Fuel Injector is a precision-engineered diesel fuel injection component designed specifically for the world-renowned CAT 3512B engine platform. This injector plays a critical role in ensuring optimal fuel atomization, precise combustion timing, efficient fuel consumption, maximum engine output, and long-term engine reliability. Manufactured according to strict OEM standards, the 20R-3477 injector provides superior performance in harsh operating environments including mining operations, marine propulsion systems, offshore platforms, industrial generator sets, oil and gas equipment, locomotive engines, and large-scale power generation facilities. The CAT 3512B engine is one of Caterpillar's most trusted high-horsepower diesel engines, and the 20R-3477 injector has been engineered to deliver accurate fuel metering under high-pressure operating conditions. Every injector undergoes extensive testing for spray pattern consistency, fuel delivery accuracy, leakage prevention, and durability before shipment. Invest in quality and performance with this premium fuel injector designed to meet all your diesel engine requirements and deliver.











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